//! FIPS 140-2 support.
//!
//! See [OpenSSL's documentation] for details.
//!
//! [OpenSSL's documentation]: https://www.openssl.org/docs/fips/UserGuide-2.0.pdf
use crate::ffi;

/// Determines if the library is running in the FIPS 140-2 mode of operation.
///
/// This corresponds to `FIPS_mode`.
pub fn enabled() -> bool {
    unsafe { ffi::FIPS_mode() != 0 }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test_log::test]
    fn is_enabled() {
        #[cfg(any(feature = "fips", feature = "fips-link-precompiled"))]
        assert!(enabled());
        #[cfg(not(any(feature = "fips", feature = "fips-link-precompiled")))]
        assert!(!enabled());
    }
}
